Evonik AEROSIL R974 is a high-end hydrophobic fumed silica imported from Germany, professionally modified with D4 (octamethylcyclotetrasiloxane). With high BET surface area, it is designed for multi-system fluidity optimization and performance reinforcement, featuring excellent lipophilicity and thixotropy, suitable for daily chemicals, pharmaceuticals, coatings and other fields
High-end hydrophobic modification - Treated with D4, stable hydrophobicity, suitable for water-resistant product systems, improving water and moisture resistance of the system
Efficient fluidity optimization - Significantly improves fluidity of powder and liquid systems, anti-caking, easy to add, enhancing processing efficiency
Excellent thixotropic thickening - As an efficient thickener, precisely regulates system thixotropy, with good anti-sagging and shape retention
Strong lipophilicity enhancement - Improves system lipophilicity, suitable for paste daily chemicals, oil-based coatings and other systems, enhancing compatibility
Multifunctional reinforcement - As an RTV silicone rubber reinforcing agent, improves product mechanical strength, and adapts to multi-industry scenario needs
Daily chemical field - Cosmetics and toothpaste, improving lipophilicity and thixotropy, optimizing product texture and user experience
Pharmaceutical field - As a functional additive, improving powder fluidity, enhancing preparation stability and processability
Coatings and inks - Controlling thixotropy and anti-sagging, improving system stability and construction uniformity
Adhesives and sealants - Optimizing fluidity and thixotropy, enhancing bonding strength and water resistance
Plastics and silicone rubber - Reinforcing RTV silicone rubber, improving mechanical properties, and improving plastic processing fluidity
| Brand | Evonik |
| Product Series | AEROSIL Hydrophobic Fumed Silica |
| Product Type | Hydrophobic Fumed Silica |
| Surface Treatment Agent | Octamethylcyclotetrasiloxane (D4) |
| BET Surface Area | 170±20 m²/g |
| Average Primary Particle Size | 12 nm |
| Compacted Density (Approx.) | 50 g/L |
| Loss on Drying (105℃, 2h) | ≤0.5 wt% |
| Loss on Ignition (1000℃, 2h) | ≤2 wt% |
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